Choking Hazard(2004)

When self-help guru Dr. Reinis (Jaroslav Dusek) led his students on a retreat to ponder the meaning of life, he had no intention of leading them all to their doom. But when gut-munching zombie woodsmen emerge, the group finds itself locked in mortal battle. Alternately sickening and silly, this gruesomely hilarious Czech horror flick co-stars Jan Dolansky, Eva Nadazdyova, Anna Fialkova and Eva Janouskova.